1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.transitiontests;
17 
18 import android.app.Activity;
19 import android.os.Bundle;
20 import android.transition.ChangeBounds;
21 import android.view.View;
22 import android.view.ViewGroup;
23 import android.transition.Fade;
24 import android.transition.Recolor;
25 import android.transition.Scene;
26 import android.transition.TransitionSet;
27 import android.transition.TransitionManager;
28 
29 
30 public class Demo3 extends Activity {
31     ViewGroup mSceneRoot;
32     static Scene mCurrentScene;
33     Scene mSearchScreen, mResultsScreen;
34     TransitionManager mTransitionManager = null;
35 
36     @Override
onCreate(Bundle savedInstanceState)37     public void onCreate(Bundle savedInstanceState) {
38         super.onCreate(savedInstanceState);
39         setContentView(R.layout.search_screen);
40 
41         View container = (View) findViewById(R.id.container);
42         mSceneRoot = (ViewGroup) container.getParent();
43 
44         mSearchScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
45         mResultsScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.results_screen, this);
46 
47         TransitionSet transition = new TransitionSet();
48         transition.addTransition(new Fade()).addTransition(new ChangeBounds()).addTransition(new Recolor());
49 
50         mTransitionManager = new TransitionManager();
51         mTransitionManager.setTransition(mSearchScreen, transition);
52         mTransitionManager.setTransition(mResultsScreen, transition);
53     }
54 
sendMessage(View view)55     public void sendMessage(View view) {
56         if (mCurrentScene == mResultsScreen) {
57             mTransitionManager.transitionTo(mSearchScreen);
58             mCurrentScene = mSearchScreen;
59         } else {
60             mTransitionManager.transitionTo(mResultsScreen);
61             mCurrentScene = mResultsScreen;
62         }
63     }
64 }
65